# FALL OF ROOF OR BACK
> MSHA accident `220212920015` · 10/12/2021 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Scoop tram operator, Load/Haul/Dump operator
- **Activity:** Load-haul-dump (UG)
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 146
- **Mine experience:** 10 years
## Operator
- **Controller:** CBR Investments LLC; Arch Coal Inc
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

I.E. was driving a coal hauler from the face to the feeder.  A rock measuring 3.5' x 1.5' x 1-2""Th fell out from the roof.  The rock hit the canopy and a piece of the rock came into the cab and hit the I.E.'s right arm. I.E. has a tendon in their bicep pushed back and a specialist took them off work on 10-18-2021 for treatment.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*